CN105034026A - Scissors special for wire marking pipe and manufacturing method of scissors - Google Patents
Scissors special for wire marking pipe and manufacturing method of scissors Download PDFInfo
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- CN105034026A CN105034026A CN201510349408.4A CN201510349408A CN105034026A CN 105034026 A CN105034026 A CN 105034026A CN 201510349408 A CN201510349408 A CN 201510349408A CN 105034026 A CN105034026 A CN 105034026A
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- scissors
- knife
- point
- wire size
- shearing
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Abstract
The invention belongs to the field of scissors special for wire marking pipes for cable marking and manufacturing methods of the scissors, and relates to scissors special for a wire marking pipe and a manufacturing method of the scissors. The scissors comprise a flat-end scissor back, a limiting groove scissor back and a pin shaft. The flat-end scissor back and the limiting groove scissor back are in riveted connection and shaft connection through the pin shaft. A cutting edge of a flat-head scissor point of the front end of the flat-end scissor back is ground and keened up. A round-end scissor point of the front end of the limiting groove scissor back is longer than the flat-end scissor point. An arc limiting groove moving along a cutting edge is formed in the position, behind the round-end scissor point, of the cutting edge. The arc limiting groove used for locating the position of the wire marking pipe and a shearing gap protection flange are arranged at the front end of one scissor back of the scissors, the turning radius of the cutting part of the other scissor back of the scissors is slightly smaller than the distance between the shearing gap protection flange and the rotation center of the scissors, and therefore the side wall, in the shearing gap protection flange, of the wire marking pipe is within the shearing range when the wire marking pipe is shorn. Therefore, gap adhesive parts which have the consistent width and meet requirements can be formed by gaps of the wire marking pipe.
Description
Technical field
The invention belongs to the Special scissors of cable mark wire size pipe and preparation method thereof field, be specifically related to a kind of wire size pipe Special scissors and preparation method thereof.
Background technology
The rail vehicles such as subway, light rail car, urban rail car need power cable and control cable distributor have 1500 ~ 2500 when assembling, electric wire two end receive various electrically on, wire size pipe all will be put in every root line two ends, and every chassis needs wire size pipe 3000 ~ 5000.Crust does not appear on the scene label cable by batch Trimmed sums use time, usually need additionally to put to the two ends of same section of cable the wire size pipe being sprayed with unique pairing word marking respectively, to make this section of cable have unique identification numbering, avoid obscuring with other cable.
As shown in Figure 1, wire size pipe 5 also claims wire size sleeve pipe, formed after common thermoplastic sleeve pipe sprays ink marking code group one by one by coded sequence, usually each ink marking code group includes two identical codes, when using wire size pipe, need the marking code group first by different separated from one another, the more identical wire size pipe of two segment codes in identical code identified group is also separated, for being sleeved on the two ends of one section of cable.
As shown in Figure 2, in order to onsite application is convenient, before using wire size pipe 5, usually will all cut a radial breach 5-1 between the coding of two on it, the only breach adhesion part 5-2 of reservation about 1mm in advance.If described breach adhesion part 5-2 is less than 1mm, just easily wire size pipe 5 is caused directly to disconnect, if and breach adhesion part 5-2 is more than 1mm, then will breach adhesion part 5-2 be caused when needs hand is pulled apart again, its process of pulling apart becomes difficulty and effort, or after pulling apart, easily leave the hair stubble of many a piece or few a piece, need separately to add pyrocondensation operation to repair the heating of hair stubble, even cannot repair, and the wire size pipe 5 at this marking code group place is scrapped, cannot user demand be met.
As shown in Figure 3 to Figure 4, common scissors comprises two identical scissors back ofs the body 1 and a bearing pin 2 to the existing common scissors for shearing wire size pipe, and the front end of the scissors back of the body 1 is scissors point 1-1 and blade part 1-2, and the rear end of the scissors back of the body 1 is hand-held lever.Bearing pin 2 is through the axis hole on two scissors back ofs the body 1 and will rivet both it.
But, when making shearing breach 5-1 with common scissors to wire size pipe 5, the shearing displacement of its breach is not easily held, there is deficiency in breach adhesion part 5-2 or excessive situation happens occasionally, this causes the shearing breach 5-1 that there is hair stubble in a large number to need to reheat reparation further, adds additional work load, have impact on production efficiency.Meanwhile, this situation also causes waste product to rise, and causes economic loss and waste.
Summary of the invention
During in order to solve existing common scissors to wire size pipe making shearing breach, the shearing displacement of its breach is not easily held, there is deficiency in adhesion part or excessive situation happens occasionally, the shearing breach that there is hair stubble is in a large number caused to need to reheat reparation, adds additional work load, have impact on production efficiency.Meanwhile, also cause waste product to rise, cause the technical problem of economic loss and waste, the invention provides a kind of wire size pipe Special scissors and preparation method thereof.
The technical scheme that technical solution problem of the present invention is taked is as follows:
Wire size pipe Special scissors, it comprises the snips knife back, the stopper slot scissors back of the body and bearing pin, and the straight snips knife back, the stopper slot scissors back of the body is riveted by bearing pin and axle connects; The grinding edge of the snips point of a knife of described snips knife back front end puts the first edge on a knife or a pair of scissors; The probe-pointed scissors point of a knife of described stopper slot scissors back of the body front end is longer than snips point of a knife, the cutting edge at probe-pointed scissors point of a knife rear has the circular arc stopper slot along cutting edge trend.
The profile of described circular arc stopper slot makes according to the cross section outline of the wire size pipe of required shearing under radial collapsed state.
Be provided with at described probe-pointed scissors point of a knife and circular arc stopper slot front end intersection and shear breach and protect shelves limit.
Described probe-pointed scissors point of a knife 3 ~ 5mm longer than snips point of a knife; The radius shearing breach protection shelves limit is 3 times of wire size thickness of pipe wall; .
The snips knife back and stopper slot scissors carry on the back be in each other shear closure state completely time, leave gap between described shearing breach protection shelves limit and cutting edge.
The preparation method of above-mentioned wire size pipe Special scissors, comprises the steps:
Step one: according to wire size pipe the to be sheared cross section outer profile size under radial collapsed state, chooses a scissors across back degree and is greater than the conventional shears of described outer profile size or scissors of cutting a sheet of paper;
Step 2: wire size pipe to be sheared described in the step one cross section outline under radial collapsed state is painted with on paper, trying to achieve the required shearing breach protection internal diameter on shelves limit and the length of circular arc stopper slot by measuring again, drawing the rational position of circular arc stopper slot in probe-pointed scissors point of a knife front end; The radius shearing breach protection shelves limit is 3 times of wire size thickness of pipe wall;
Step 3: determine to shear breach protection shelves limit and the gap width of cutting edge and cutting edge front end relative to the best relative position shearing breach and protect shelves limit according to wire size pipe to be sheared described in the step one cross section outline under radial collapsed state, determine the length of cut of snips point of a knife;
Step 4: carry out grinding with the equipment for grinding such as electric wheel one of them scissors point to the scissors selected by step one, become snips point of a knife; Its grinding length adopts the determined result of step 3;
Step 5: carry out grinding with the another one scissors point of the equipment for grinding such as electric wheel to the scissors selected by step one; the cutting edge at its probe-pointed scissors point of a knife rear processes the shearing breach protection shelves limit described in step 2 and described step 3 circular arc stopper slot, so far namely completes the processing and making process of wire size pipe Special scissors.
The invention has the beneficial effects as follows: one of them scissors back of the body front end of wire size pipe Special scissors of the present invention is provided with the circular arc stopper slot for locating wire size pipe position and shears breach protection shelves limit; and the radius of gyration of another scissors back of the body blade of this scissors is slightly less than the distance of shearing breach protection shelves limit to the scissors centre of gyration; therefore; when shearing wire size pipe; be positioned at the wire size pipe sidewall shearing breach protection shelves limit to be positioned at outside shearing scope, thus can it made when shearing wire size pipe to form the consistent and satisfactory breach adhesion part of width.
On the other hand, the preparation method of wire size pipe Special scissors of the present invention, proposes to cut a sheet of paper scissors element based on scissors by routine, by quantitatively calculating and complete the method for conventional shears grinding the manufacturing process of required wire size pipe Special scissors.Its method is simple, without the need to the professional mould of costliness or process equipment, therefore have extremely cheap cost advantage, what popularize has a extensive future.
Accompanying drawing explanation
Fig. 1 is the structural representation of wire size pipe with multistage code and radial indentation and breach adhesion part;
Fig. 2 is the partial enlarged drawing of I part in Fig. 1;
Fig. 3 is the structural representation of common scissors;
Fig. 4 is the structural representation of a common scissors back of the body and scissors point and blade part;
Fig. 5 is wire size pipe Special scissors of the present invention is compared with the structural representation under large angle state at blade part;
Fig. 6 is the blast assembling schematic diagram of Fig. 5;
Fig. 7 is the rearview of Fig. 6;
Fig. 8 is wire size pipe Special scissors of the present invention is compared with the schematic diagram under Narrow Flare Angle state at blade part;
Fig. 9 is the partial enlarged drawing of II part in Fig. 8;
Figure 10 is wire size pipe Special scissors of the present invention is schematic diagram when shearing closure state completely at blade part;
Figure 11 is the partial enlarged drawing of III part in Figure 10;
Figure 12 is the application schematic diagram of wire size pipe Special scissors of the present invention;
Figure 13 is the partial enlarged drawing of IV part in Figure 12.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Fig. 5 to Figure 11, wire size pipe Special scissors of the present invention comprises the snips knife back 4, the stopper slot scissors back of the body 3 and bearing pin 2, and the straight snips knife back 4 and the stopper slot scissors back of the body 3 are riveted by bearing pin 2 and axle connects.The snips point of a knife 4-1 of the snips knife back 4 front end is shorter, and the cutting edge 4-2 grinding of snips point of a knife 4-1 is put the first edge on a knife or a pair of scissors.
The probe-pointed scissors point of a knife 3-1 that 3 front ends carried on the back by stopper slot scissors is longer than snips point of a knife 4-1, the cutting edge 3-2 at probe-pointed scissors point of a knife 3-1 rear has the circular arc stopper slot 3-2-1 along cutting edge trend.
The profile of circular arc stopper slot 3-2-1 makes according to the cross section outline of the wire size pipe 5 of required shearing under radial collapsed state.
Shearing breach protection shelves limit 3-1-1 is provided with in circular arc stopper slot 3-2-1 front end intersection at probe-pointed scissors point of a knife 3-1.
Probe-pointed scissors point of a knife 3-1 3 to 5mm longer than snips point of a knife 4-1; The radius shearing breach protection shelves limit 3-1-1 should be about 3 times of wire size thickness of pipe wall; .
The snips knife back 4 and stopper slot scissors carry on the back 3 be in each other shears closure state completely time, shearing breach protects the gap leaving one fixed width between shelves limit 3-1-1 and cutting edge 4-2.
The preparation method of wire size pipe Special scissors of the present invention comprises the steps:
Step one: according to wire size pipe 5 the to be sheared cross section outer profile size under radial collapsed state, select, scissors carries on the back the larger conventional shears of 1 width or scissors of cutting a sheet of paper.
Step 2: wire size pipe 5 to be sheared described in the step one cross section outline under radial collapsed state is painted with on paper; trying to achieve the required shearing breach protection internal diameter of shelves limit 3-1-1 and the length of circular arc stopper slot 3-2-1 by measuring again, drawing the rational position of circular arc stopper slot 3-2-1 in probe-pointed scissors point of a knife 3-1 front end.As shown in Figure 1, wall thickness is 1mm, radius is the wire size pipe of 5mm, cross section outline thickness under its radial collapsed state is about 2mm, consider that wire size caliber is to radial clearance surplus when flattening, then show that the radius shearing breach protection shelves limit 3-1-1 should close to 3 of wire size thickness of pipe wall times, the radius namely shearing breach protection shelves limit 3-1-1 is about 3mm; The length of circular arc stopper slot 3-2-1 then should be greater than 1.5 times of the diameter of wire size pipe 5, and namely the length of circular arc stopper slot 3-2-1 is about 15mm.
Step 3: determine to shear the breach protection gap width of shelves limit 3-1-1 and cutting edge 4-2 and cutting edge 4-2 front end relative to the best relative position shearing breach and protect shelves limit 3-1-1 according to wire size pipe 5 to be sheared described in the step one cross section outline under radial collapsed state.Determine the length of cut of snips point of a knife 4-1 thus.As shown in Figure 9, outline due to wire size pipe 5 cross section under radial collapsed state can fill up the inside of shearing breach protection shelves limit 3-1-1 just, therefore, shearing breach can be made to protect shelves limit 3-1-1 and cutting edge 4-2 to remain the gap of about 1mm, can when shearing wire size pipe 5, obtain ideal breach adhesion part 5-2, but for allowance insurance for the purpose of, when carrying out grinding to the length of cutting edge 4-2, should according to proper sequence principle, and attempt by repeating to carry out shearing to wire size pipe 5, to verify and to determine the reasonable length that snips point of a knife 4-1 is final.
Step 4: carry out grinding with one of them scissors point 1-1 of the equipment for grinding such as electric wheel to conventional shears described in step one, become snips point of a knife 4-1.Its grinding length adopts the determined result of step 3.
Step 5: carry out grinding with the another one scissors point 1-1 of the equipment for grinding such as electric wheel to conventional shears described in step one; the cutting edge 3-2 at its probe-pointed scissors point of a knife 3-1 rear processes the shearing breach protection shelves limit 3-1-1 and the circular arc stopper slot 3-2-1 described in step 3 of step 2, so far namely completes the processing and making process of wire size pipe Special scissors.
As shown in Figure 12 to Figure 13, when embody rule wire size pipe of the present invention Special scissors two coding sections treated on the wire size pipe 5 of shearing carry out the shearing of radial breach 5-1, first with hand, part to be sheared on wire size pipe 5 is flattened, then, the arc section lateral wall of wire size pipe 5 is embedded in the circular arc stopper slot 3-2-1 at probe-pointed scissors point of a knife 3-1 rear, again by wire size pipe 5 lower surface be attached on the straightway of circular arc stopper slot 3-2-1, after this, namely by the direct of snips point of a knife 4-1, wire size pipe 5 is sheared.
In the process, shearing breach protection shelves limit 3-1-1 and circular arc stopper slot 3-2-1 plays the positioning action to wire size pipe 5 jointly.Meanwhile, the wire size pipe outer wall being positioned at the circular arc stopper slot 3-2-1 at probe-pointed scissors point of a knife 3-1 rear due to be in snips point of a knife 4-1 shearing scope outside, therefore can not be cut off completely.The breach adhesion part 5-2 that it is not formed by cutting off is set to about 1mm usually, but different with external diameter according to the wall thickness of required wire size pipe 5, also can according to the adjustment of preceding method appropriateness.
Claims (6)
1. wire size pipe Special scissors, it is characterized in that: this Special scissors comprises the snips knife back (4), the stopper slot scissors back of the body (3) and bearing pin (2), and the straight snips knife back (4) and the stopper slot scissors back of the body (3) are connected by bearing pin (2) riveted joint and axle; Cutting edge (4-2) grinding of the snips point of a knife (4-1) of the described snips knife back (4) front end is put the first edge on a knife or a pair of scissors; The probe-pointed scissors point of a knife (3-1) of the described stopper slot scissors back of the body (3) front end is longer than snips point of a knife (4-1), the cutting edge (3-2) at probe-pointed scissors point of a knife (3-1) rear has the circular arc stopper slot (3-2-1) along cutting edge trend.
2. wire size pipe Special scissors as claimed in claim 1, is characterized in that: the profile of described circular arc stopper slot (3-2-1) makes according to the cross section outline of the wire size pipe (5) of required shearing under radial collapsed state.
3. wire size pipe Special scissors as claimed in claim 1, is characterized in that: be provided with at described probe-pointed scissors point of a knife (3-1) and circular arc stopper slot (3-2-1) front end intersection and shear breach and protect shelves limit (3-1-1).
4. wire size pipe Special scissors as claimed in claim 1, is characterized in that: described probe-pointed scissors point of a knife (3-1) 3 ~ 5mm longer than snips point of a knife (4-1); The radius shearing breach protection shelves limit (3-1-1) is 3 times of wire size thickness of pipe wall.
5. the wire size pipe Special scissors as described in claim 1 or 4; it is characterized in that: the snips knife back (4) and stopper slot scissors carry on the back (3) be in each other shear closure state completely time, described shearing breach is protected between shelves limit (3-1-1) and cutting edge (4-2) and is left gap.
6. the preparation method of wire size pipe Special scissors as described in any one of claim 1-5, is characterized in that: the method comprises the steps:
Step one: according to the cross section outer profile size of wire size pipe (5) under radial collapsed state to be sheared, chooses a scissors and carries on the back (1) width and be greater than the conventional shears of described outer profile size or scissors of cutting a sheet of paper;
Step 2: the cross section outline of wire size pipe (5) under radial collapsed state to be sheared described in step one is painted with on paper, try to achieve required breach of shearing by measurement again and protect the internal diameter on shelves limit (3-1-1) and the length of circular arc stopper slot (3-2-1), draw the rational position of circular arc stopper slot (3-2-1) in probe-pointed scissors point of a knife (3-1) front end; The radius shearing breach protection shelves limit (3-1-1) is 3 times of wire size thickness of pipe wall;
Step 3: the relative position of shelves limit (3-1-1) is protected in the gap width of shearing breach protection shelves limit (3-1-1) determined according to the cross section outline of wire size pipe (5) under radial collapsed state to be sheared described in step one and cutting edge (4-2) and cutting edge (4-2) front end relative to shearing breach, determine the length of cut of snips point of a knife (4-1);
Step 4: carry out grinding with electronic wheel grinding equipment one of them scissors point (1-1) to the scissors selected by step one, become snips point of a knife (4-1); Its grinding length adopts the determined result of step 3;
Step 5: carry out grinding with the another one scissors point (1-1) of electronic wheel grinding equipment to the scissors selected by step one; the cutting edge (3-2) at its probe-pointed scissors point of a knife (3-1) rear processes shearing breach protection shelves limit (3-1-1) described in step 2 and the circular arc stopper slot (3-2-1) described in step 3, so far namely completes the processing and making process of wire size pipe Special scissors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349408.4A CN105034026B (en) | 2015-06-23 | 2015-06-23 | Manufacturing method of scissors special for wire marking pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349408.4A CN105034026B (en) | 2015-06-23 | 2015-06-23 | Manufacturing method of scissors special for wire marking pipe |
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| Publication Number | Publication Date |
|---|---|
| CN105034026A true CN105034026A (en) | 2015-11-11 |
| CN105034026B CN105034026B (en) | 2017-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510349408.4A Active CN105034026B (en) | 2015-06-23 | 2015-06-23 | Manufacturing method of scissors special for wire marking pipe |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785538A (en) * | 1987-02-13 | 1988-11-22 | Meyer Fred J | Cutting tool |
| US4876795A (en) * | 1988-08-01 | 1989-10-31 | Teh Yor Industrial Co., Ltd. | Cutter, in particular for a slat, especially of a venetian blind |
| JPH0928943A (en) * | 1995-07-24 | 1997-02-04 | Matsuzaka Tekkosho:Kk | Cutting tool |
| CN101053958A (en) * | 2006-04-12 | 2007-10-17 | 德侑股份有限公司 | Cutter for cutting curtain leaf |
| CN202656204U (en) * | 2012-07-05 | 2013-01-09 | 胡家运 | Polyethylene-aluminum composite pipe scissors provided with detachable movable tool bit |
| CN202763859U (en) * | 2012-09-25 | 2013-03-06 | 张建华 | Shears for aluminum-plastic pipes |
| CN203282499U (en) * | 2013-05-16 | 2013-11-13 | 苏州创成爱康建筑科技有限公司 | Plastic pipe shearing device |
| CN203566726U (en) * | 2013-10-28 | 2014-04-30 | 周江宁 | Plastic pipe shears |
-
2015
- 2015-06-23 CN CN201510349408.4A patent/CN105034026B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4785538A (en) * | 1987-02-13 | 1988-11-22 | Meyer Fred J | Cutting tool |
| US4876795A (en) * | 1988-08-01 | 1989-10-31 | Teh Yor Industrial Co., Ltd. | Cutter, in particular for a slat, especially of a venetian blind |
| JPH0928943A (en) * | 1995-07-24 | 1997-02-04 | Matsuzaka Tekkosho:Kk | Cutting tool |
| CN101053958A (en) * | 2006-04-12 | 2007-10-17 | 德侑股份有限公司 | Cutter for cutting curtain leaf |
| CN202656204U (en) * | 2012-07-05 | 2013-01-09 | 胡家运 | Polyethylene-aluminum composite pipe scissors provided with detachable movable tool bit |
| CN202763859U (en) * | 2012-09-25 | 2013-03-06 | 张建华 | Shears for aluminum-plastic pipes |
| CN203282499U (en) * | 2013-05-16 | 2013-11-13 | 苏州创成爱康建筑科技有限公司 | Plastic pipe shearing device |
| CN203566726U (en) * | 2013-10-28 | 2014-04-30 | 周江宁 | Plastic pipe shears |
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|---|---|
| CN105034026B (en) | 2017-04-26 |
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