CN203758770U - Leather sampling knife - Google Patents
Leather sampling knife Download PDFInfo
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- CN203758770U CN203758770U CN201420142056.6U CN201420142056U CN203758770U CN 203758770 U CN203758770 U CN 203758770U CN 201420142056 U CN201420142056 U CN 201420142056U CN 203758770 U CN203758770 U CN 203758770U
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Abstract
The utility model discloses a leather sampling knife. The leather sampling knife mainly comprises a knife body and a knife holder, wherein the bottom of the knife holder is sleeved on the knife body; the knife body is formed by combining four dumb bell shaped knives and four square knives; two of the dumb bell shaped knives are horizontally arranged in parallel, and the other two of the dumb bell shaped knives are longitudinally arranged in parallel; the four dumb bell shaped knives jointly form a hollow square; the four square knives are arranged in the hollow square jointly formed by the four dumb bell shaped knives; two of the square knives are horizontally arranged in parallel, and the other two of the square knives are longitudinally arranged in parallel; notches are formed in the centers of the four square knives. The leather sampling knife has the beneficial effects that the leather sampling knife has a simple structure and is convenient to dismantle and install; two of the four dumb bell shaped knives and two of the four square knives are longitudinally combined and arranged respectively, and the other two of the four dumb bell shaped knives and the other two of the four square knives are horizontally combined and arranged respectively, so that not only can eight sample pieces for determination of tensile strength, elongation and tear force of leather be cut once but also the requirements of two longitudinal samples and two horizontal samples, which are specified by the standards, are simultaneously met, and the longitudinal and horizontal samples are cut once, thus avoiding mutual confusion.
Description
Technical field
The utility model relates to leather quality checkout equipment field, is specifically related to a kind of leather sampling cutter.
Background technology
Leather is the primary raw material of producing the light industrial goods such as clothes, footwear, case and bag, furniture, can be divided into leather for clothes, Shoe upper leather and furniture leather.Leather quality check is the only resource that quality supervised department, leather manufacturing enterprise, leather processing enterprise obtain leather quality information.
Tensile strength, length growth rate, tear edge are the most important mechanical performance index of leather, no matter be that leather for clothes, Shoe upper leather or furniture must carry out tensile strength, length growth rate, tear edge detection with leather.Singularity due to leather material, same leather different parts, the mechanical property of the sample of the different sampling in even same position direction has larger difference, therefore, for standard detection method, make testing result more have comparability, relevant national standard is to leather tensile strength, length growth rate, the sampling point of tear edge, sampling direction, sample size, the block-shaped grade of sample all has very strict requirement, wherein, tensile strength and test of elongation rate sample are 4 prescribed level dumb-bell shape sample pieces, wherein, 2 ridge lines that are parallel to leather, 2 perpendicular to leather ridge line, tear edge test sample is 4 regulation shapes and big or small rectangle sample piece, same 2 ridge lines that are parallel to leather, and 2 perpendicular to leather ridge line.
Therefore, the running program of the sampling of leather sample detection is at present first shape size and the direction of sample piece as requested, calculate the total area of sampling, regulation position at a leather, draw the profile of full-page proof piece, with scissors, cut, to indicate simultaneously the producer of full-page proof piece on whole leather to, then on this full-page proof piece, draw respectively tensile strength, length growth rate, the sampling point of tear edge, with different mould cuttves, cut required sample piece again, while cutting, must indicate the direction (vertical or horizontal) of sample piece, not only sample procedure bothers, efficiency is very low, and sample piece is difficult to fixing, easily occur that misoperation wanders off sample piece direction, cause whole sample piece to scrap, affect the progress of work, waste sample, even cause whole testing failure.Meanwhile, the sample piece taking off is easily obscured sample direction, affects test result.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of leather sampling cutter, this sampling cutter can once cut eight sample pieces of leather tensile strength, length growth rate, tear edge mensuration, sampling point, sample block size are more accurate, vertical and horizontal sample once cuts, avoid mutually obscuring, cut efficiency high.
The purpose of this utility model is carried out specific implementation by the following technical programs:
A kind of leather sampling cutter, mainly comprise cutter hub and tool rest, the bottom of described tool rest is socketed on cutter hub, described cutter hub is to be combined by four dumb-bell shape cuttves and four square cuttves, described four dumbbell shape cuttves wherein two be laterally arranged in parallel, two other parallel longitudinal is arranged, and tangent outside the dumb-bell shape cutter of two parallel longitudinal arrangements and the end of two dumb-bell shape cuttves that are laterally arranged in parallel, four dumb-bell shape cuttves have surrounded a square hollow body jointly, in the square hollow body that four square cutter spacing surround jointly in four dumb-bell shape cuttves, wherein two square cuttves are laterally arranged in parallel, two other square cutter parallel longitudinal is arranged, the center of described four square cuttves is provided with breach.
The overall length of described four dumbbell shape cuttves is 100mm, length and the width of end, two ends are 25mm, the width of middle narrow is 10mm, between the end of dumbbell shape cutter and long and narrow portion, is provided with transition arc, and the radius of transition arc is 5mm, the length of four square cuttves is 50mm, width is 25mm, and described breach is roller shape, and the length of described breach is 20mm, width is 5mm, and the radius of four circular arcs in two ends is 2.5mm.
The bottom of described tool rest is hollow out rectangle frame, and its top is solid isosceles trapezoid platform, and hollow out rectangle frame is socketed on cutter hub.Tool rest is set to isosceles trapezoid platform structure, has both made sampling cutter cutter hub stress equalization, has alleviated again the weight of whole sampling cutter,
The housing of described hollow out rectangle frame is of a size of 160mm * 110mm * 5mm, inside casing is of a size of 150mm * 100mm * 5mm, the rectangular dimension of going to the bottom of described solid isosceles trapezoid platform is 160mm * 110mm, and upper base rectangular dimension is 70 mm * 40mm, and the height of solid isosceles trapezoid platform is 50mm.
The top of described tool rest is provided with an internal sealing plug, and internal diameter is 28mm, for fill model machine and be connected.
Described four dumb-bell shape cuttves and four square cuttves are one-body molded.
Described four dumb-bell shape cuttves and four square cuttves are made by high-speed steel, good toughness, and intensity is high, and easy fracture, not indeformable, cutter hub sharp (product do not stay silk), the advantage such as durable in use.
A kind of leather sampling cutter of the utility model, simple in structure, cutter hub is that telescopiform is connected with tool rest, easy accessibility, four dumb-bell shape cuttves and four rectangle cuttves are longitudinal with two respectively, two are laterally carried out assembled arrangement, not only can once cut leather tensile strength, length growth rate, eight sample pieces that tear edge is measured, and two of standard regulation have been met longitudinally and the requirement of two horizontal samples simultaneously, make sampling efficiency improve nearly 10 times, and sampling point, sample block size is more accurate, shape is standard more, vertical and horizontal sample once cuts, avoid mutually obscuring.
Accompanying drawing explanation
According to drawings and embodiments the utility model is described in further detail below.
Fig. 1 is a kind of leather sampling cutter of the utility model front view;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the structural representation of dumb-bell shape cutter;
Fig. 5 is the structural representation of rectangle cutter.
In figure: 1-cutter hub; 2-hollow out rectangle frame; The solid isosceles trapezoid platform of 3-; 4-internal sealing plug; 5-dumb-bell shape cutter; The square cutter of 6-; 7-breach; The sample piece of 8-shrinkage temperature test sample; 9-circular arc; 10-end; The long and narrow portion of 11-; 12-transition arc; 13-holding screw.
Embodiment
As Figure 1-Figure 5, a kind of leather sampling cutter described in the utility model embodiment, mainly comprise cutter hub 1 and tool rest, the bottom of tool rest is socketed on cutter hub 1, cutter hub 1 is to be combined by four dumb-bell shape cuttves 5 and four square cuttves 6, four dumbbell shape cuttves 5 wherein two be laterally arranged in parallel, two other parallel longitudinal is arranged, and two parallel longitudinals arrange dumb-bell shape cutter 5 and the end of two dumb-bell shape cuttves 5 that are laterally arranged in parallel outside tangent, four dumb-bell shape cuttves 5 have surrounded a square hollow body jointly, four square cuttves 6 are positioned at the square hollow body that four dumb-bell shape cuttves 5 surround jointly, wherein two square cuttves 6 are laterally arranged in parallel, two other square cutter 6 parallel longitudinals are arranged, the center of four square cuttves 6 is provided with breach 7.
Preferred embodiment a kind of, the overall length of four dumbbell shape cuttves 5 is 100mm, length and the width of end, two ends 10 are 25mm, the width of middle narrow 11 is 10mm, between the end 10 of dumbbell shape cutter and long and narrow portion 11, be provided with transition arc 12, the radius of transition arc 12 is 5mm, the sample cutting is dumb-bell shape, meets the requirement to sample in the mensuration > > of GB/T 2710 < < leather physics and mechanical test tensile strength and length growth rate.The length of four square cuttves 6 is 50mm, and width is 25mm, and breach 7 is roller shape, and the length of breach 7 is 20mm, and width is 5mm, and the radius of four circular arcs 9 in two ends is 2.5mm.The sample piece cutting meets the requirement to sample in the mensuration > > of GB/T 2711 < < leather physics and mechanical test tear edge, four sample pieces that scaled off by square cutter 6 are for the mensuration of leather tear edge, during test, on instrument, there are two hooks, two hooks are suspended to sample piece roller v notch v two ends, pull at, until by sample piece from indentation, there tear fracture, the power of measuring use is exactly the tear edge size of sample piece.
Preferably, the bottom of tool rest is hollow out rectangle frame 2, and its top is solid isosceles trapezoid platform 3, and hollow out rectangle frame 2 is socketed on cutter hub 1, sidewall center at hollow out rectangle frame 2 is provided with threaded hole, by holding screw 13, cutter hub 1 and hollow out rectangle frame 2 is connected and fixed.Tool rest is set to isosceles trapezoid platform structure, has both made sampling cutter cutter hub stress equalization, has alleviated again the weight of whole sampling cutter.
The housing of hollow out rectangle frame 2 is of a size of 160mm * 110mm * 5mm, inside casing is of a size of 150mm * 100mm * 5mm, 3 of the solid isosceles trapezoid platform rectangular dimension of going to the bottom is 160mm * 110mm, and upper base rectangular dimension is 70 mm * 40mm, and the height of solid isosceles trapezoid platform is 50mm.
The top of tool rest is provided with an internal sealing plug 4, and its internal diameter is 28mm, for fill model machine and be connected, four dumb-bell shape cuttves 5 and four square cuttves 6 are one-body molded, when concrete operations, can first with die casting, go out the shape of cutter hub, then that its blade place polishing is sharp.
Four dumb-bell shape cuttves 5 and four square cuttves 6 are made by high-speed steel, good toughness, and intensity is high, and easy fracture, not indeformable, cutter hub sharp (product do not stay silk), the advantage such as durable in use.
The utility model in use, it is interior fixing that cutter hub 1 intussusception inserts the hollow out rectangle frame 2 of tool rest, internal sealing plug 4 on tool rest with fill model machine screw rod and be connected, whole cutter hub 1 is aimed at the leather that will sample, and fills model machine and drives the downward crush-cutting of whole sampling cutter leather to be sampled, like this, once can cut eight sample pieces, wherein, four dumb-bell shape sample pieces (two longitudinally, and two laterally) are for the mensuration of leather tensile strength and length growth rate.Rectangle sample piece jaggy in four (two longitudinally, and two laterally) is for the mensuration of the bilateral tear edge of leather.Overcome first sampling point and the sample profile of drawing in prior art on a leather sample, with scissors, cut, and then determine to cut respectively in region required sample with hilted broadsword drawing, meanwhile, also want the complicated procedures of forming such as longitudinal or horizontal information of mark sample, make sampling efficiency improve nearly 10 times, and sampling point, sample block size are more accurate, shape is standard more, and vertical and horizontal sample once cuts, and avoids mutually obscuring.Inside four dumb-bell shape cuttves, between narrow and four rectangle cuttves, there are two longitudinally and the sample piece 8(50mm * 7.5mm of the shrinkage temperature test sample that two horizontal) simultaneously, can be used for making leather shrinking temperature test sample (50mm * 3mm), both saved sample, unified again sampling point, made testing result more have comparability.
After sampling finishes, whole sampling cutter takes off from filling model machine, then cutter hub is partly taken off, and cutter hub and tool rest are deposited separately, and Bi Mian Touch hits, damage cutter hub.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; for a person skilled in the art; its technical scheme that still can record aforementioned each embodiment regulates; or part technical characterictic is wherein equal to replacement; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a leather sampling cutter, it is characterized in that: mainly comprise cutter hub and tool rest, the bottom of described tool rest is socketed on cutter hub, described cutter hub is to be combined by four dumb-bell shape cuttves and four square cuttves, described four dumbbell shape cuttves wherein two be laterally arranged in parallel, two other parallel longitudinal is arranged, and tangent outside the dumb-bell shape cutter of two parallel longitudinal arrangements and the end of two dumb-bell shape cuttves that are laterally arranged in parallel, four dumb-bell shape cuttves have surrounded a square hollow body jointly, in the square hollow body that four square cutter spacing surround jointly in four dumb-bell shape cuttves, wherein two square cuttves are laterally arranged in parallel, two other square cutter parallel longitudinal is arranged, the center of described four square cuttves is provided with breach.
2. a kind of leather sampling cutter according to claim 1, it is characterized in that: the overall length of described four dumbbell shape cuttves is 100mm, length and the width of end, two ends are 25mm, the width of middle narrow is 10mm, between the end of dumbbell shape cutter and long and narrow portion, be provided with transition arc, the radius of transition arc is 5mm, the length of four square cuttves is 50mm, width is 25mm, described breach is roller shape, the length of described breach is 20mm, and width is 5mm, and the radius of four circular arcs in two ends is 2.5mm.
3. a kind of leather sampling cutter according to claim 2, is characterized in that: the bottom of described tool rest is hollow out rectangle frame, and its top is solid isosceles trapezoid platform, and hollow out rectangle frame is socketed on cutter hub.
4. a kind of leather sampling cutter according to claim 3, it is characterized in that: described hollow out rectangle frame housing be of a size of 160mm * 110mm * 5mm, inside casing is of a size of 150mm * 100mm * 5mm, the rectangular dimension of going to the bottom of described solid isosceles trapezoid platform is 160mm * 110mm, upper base rectangular dimension is 70 mm * 40mm, and the height of solid isosceles trapezoid platform is 50mm.
5. according to a kind of leather sampling cutter described in claim 1-4 any one, it is characterized in that: the top of described tool rest is provided with an internal sealing plug, for fill model machine and be connected.
6. according to a kind of leather sampling cutter described in claim 1-4 any one, it is characterized in that: described four dumb-bell shape cuttves and four square cuttves are one-body molded.
7. according to a kind of leather sampling cutter described in claim 1-4 any one, it is characterized in that: described four dumb-bell shape cuttves and four square cuttves are made by high-speed steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142056.6U CN203758770U (en) | 2014-03-27 | 2014-03-27 | Leather sampling knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142056.6U CN203758770U (en) | 2014-03-27 | 2014-03-27 | Leather sampling knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758770U true CN203758770U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420142056.6U Expired - Fee Related CN203758770U (en) | 2014-03-27 | 2014-03-27 | Leather sampling knife |
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| CN (1) | CN203758770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868756A (en) * | 2014-03-27 | 2014-06-18 | 中国农业科学院兰州畜牧与兽药研究所 | Leather sampling tool |
-
2014
- 2014-03-27 CN CN201420142056.6U patent/CN203758770U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868756A (en) * | 2014-03-27 | 2014-06-18 | 中国农业科学院兰州畜牧与兽药研究所 | Leather sampling tool |
| CN103868756B (en) * | 2014-03-27 | 2017-01-04 | 中国农业科学院兰州畜牧与兽药研究所 | A kind of leather sampling cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20150327 |
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| EXPY | Termination of patent right or utility model |