CN114800696B - Method for cutting NOL ring test sample strip by water jet and matched equipment - Google Patents
Method for cutting NOL ring test sample strip by water jet and matched equipment Download PDFInfo
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- CN114800696B CN114800696B CN202110124431.9A CN202110124431A CN114800696B CN 114800696 B CN114800696 B CN 114800696B CN 202110124431 A CN202110124431 A CN 202110124431A CN 114800696 B CN114800696 B CN 114800696B
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- cutting
- clamping ring
- water jet
- ring
- nol
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- 238000005520 cutting process Methods 0.000 title claims abstract description 111
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000013461 design Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 10
- 239000000835 fiber Substances 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 239000003733 fiber-reinforced composite Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a method and matched equipment for cutting NOL ring test sample strips by water jet, which adopts a water jet cutting method to cut the NOL ring, has smooth and burr-free cut, simple operation flow, no potential safety hazard, capability of realizing batch cutting of NOL ring test sample strips and high cutting efficiency. The supporting equipment adopts lower snap ring and last snap ring to form the cavity of centre gripping NOL ring, and in addition cooperates the design of incision and locating plate, can effectively guarantee the requirement of NOL ring test spline's cutting size and cutting accuracy.
Description
Technical Field
The utility model relates to a method for cutting NOL ring test sample bars by water jet and matched equipment, in particular to a method for cutting NOL ring interlayer shear performance test sample bars by adopting a water jet and matched equipment, belonging to the technical field of composite material cutting.
Background
The interlaminar shear strength of the composite material is an important index for evaluating the interlaminar performance of the composite material, and directly reflects the interface performance between the composite material matrix and the reinforced organic fibers. The interlayer shear strength of the composite material is also an important index for evaluating the surface modification effect of the reinforcement body. At present, a short beam method is commonly used for carrying out interlayer shearing strength of a composite material, the test sample bar is required to be smaller in size, 18-30mm in arc length, 3mm in thickness and 6mm in width in the common standard ASTM2344 and GB/T1458-2008, a small sample cannot be cut efficiently by utilizing a water jet cutting device, mainly the water jet cutting device is used for cutting in a water tank, the water jet cutting device cannot be positioned and fixed effectively, and in addition, the cut sample can fall into the water tank. The existing mechanical cutting mode can be completed on a composite material spline with larger rigidity, the cutting efficiency on an organic fiber composite material is extremely low, and the notch burr phenomenon is obvious due to extremely large toughness of the organic fiber reinforced composite material, so that the size deviation of a sample is large finally, and the testing precision is seriously affected.
The prior patent CN104236950a discloses a spline cutting device for testing NOL rings of composite materials, the cutting device adopts an electric cutting knife, the NOL rings are fixed on a workbench through a locking device, during cutting, the workbench is moved under the electric cutting machine, the electric cutting machine is started to cut along a feed slot, after cutting is completed, the workbench is returned, the locking device is opened, the NOL rings are rotated, the NOL rings are opened to reach the open slot of the workbench, and the fiber is fixed by using a rotating limiting block, and then the operation is repeated to perform secondary cutting. The cutting device adopts a mechanical cutting mode, deformation and sliding in the sample cutting process are reduced through the arrangement of the locking device, the problems of notch burrs and cracks in the prior composite NOL ring test spline cutting process are solved, but in the cutting process each time, a workbench needs to move back and forth in order to ensure the safety of operators, and in addition, the locking device needs to repeatedly open and lock the operation, so that the cutting process is complex, and the batch sample cutting is not facilitated.
Disclosure of Invention
The utility model aims to provide a method for cutting NOL ring test sample strips by water jet, which adopts a water jet cutting method to realize cutting of NOL ring test sample strips in batches with smooth and burr-free cut, simple operation flow, no potential safety hazard and high cutting efficiency compared with the existing mechanical cutting method.
The utility model further aims to provide a matched device for cutting NOL ring test sample strips by water jet, wherein a cavity for clamping the NOL ring is formed by adopting the lower clamping ring and the upper clamping ring, and the requirements on the cutting size and the cutting precision of the NOL ring test sample strips can be effectively ensured by matching with the design of the notch and the positioning plate.
The utility model is realized by the following technical scheme: a method of water jet cutting a NOL ring test spline comprising the steps of:
A. an L-shaped locating plate is placed in a cutting water tank of the water jet cutting machine, and the included angle between two right-angle edges of the locating plate is the cutting origin of the water jet;
B. the two adjacent right-angle edges of the base bottom plate are abutted against the two right-angle edges of the positioning plate, a lower clamping ring and an upper clamping ring are arranged on the base bottom plate, a groove body is arranged on the lower clamping ring, the upper clamping ring is fixed in the groove body and matched with the groove body to form a cavity for clamping the NOL ring, and a plurality of notches matched with water jet flow are respectively arranged on the upper clamping ring and the lower clamping ring of the corresponding cavity;
C. starting the water jet cutting machine, and cutting the NOL ring clamped in the cavity along the notch by the water jet.
In the step B, the notches are uniformly distributed on the upper clamping ring and the lower clamping ring, and the included angle of each adjacent notch on the same ring body is 14-20 degrees.
In the step B, the width of the notch is 2-4 mm.
The supporting equipment for cutting NOL ring test sample strips by using water jet comprises a positioning plate and a base bottom plate, wherein the positioning plate is of an L-shaped structure and is placed in a cutting water tank, and an included angle between two right-angle edges of the positioning plate is a cutting origin of the water jet; two adjacent right-angle edges of the base bottom plate are abutted against the two right-angle edges of the positioning plate, a lower clamping ring and an upper clamping ring are arranged on the base bottom plate, a groove body is arranged on the lower clamping ring, the upper clamping ring is fixed in the groove body and matched with the groove body to form a cavity for clamping the NOL ring, and a plurality of notches matched with water jet flow are respectively arranged on the upper clamping ring and the lower clamping ring of the corresponding cavity.
The groove body is circular, a plurality of arc-shaped protrusions are arranged on the lower clamping ring, the arc-shaped protrusions are enclosed to form the groove body, and gaps between every two adjacent arc-shaped protrusions are notches; the upper clamping ring is of a disc structure arranged in the groove body, the bottom of the upper clamping ring is provided with a base, the base and the arc-shaped bulge form a cavity for clamping the NOL ring, the outer circumference of the base is provided with notches, and the notches on the upper clamping ring correspond to the notches on the lower clamping ring one by one.
And the lower clamping ring is provided with a cutting groove which is correspondingly arranged below the upper notch of the lower clamping ring.
The lower clamping ring is fixed on the base bottom plate through a positioning bolt.
The upper clamping ring is fixed in the annular groove of the lower clamping ring through a locating pin.
And a handle is arranged on the upper clamping ring.
In order to solve the defects of low cutting efficiency, complex operation, more potential safety hazards in manual operation, outstanding sample burr phenomenon, large sample cutting precision deviation and the like of the traditional mechanical cutting process, the utility model provides a method for cutting NOL ring test sample strips by water jet and matched equipment used by the method, and compared with the prior art, the method has the following advantages and beneficial effects:
(1) The NOL ring test sample strip is cut by adopting a water jet cutting method instead of a mechanical cutting method, the operation flow is simple, the cutting process is operated in a water tank of a cutting machine, a cutting sample and a cutting die are not required to be manually operated, and the potential safety hazard of cutting is essentially eliminated.
(2) When the NOL ring test sample strip is cut by adopting the water jet cutting method, especially when the organic fiber reinforced composite material is cut, the phenomenon of burrs and burrs of a cut sample can be effectively avoided, any dust can not be generated in the cutting process, and occupational hazard is effectively prevented.
(3) The device is matched with the existing water jet cutting machine through special matched equipment, and in actual operation, repeated and batch cutting of NOL ring test sample strips can be realized only by presetting a cutting program on the water jet cutting machine, so that the cutting efficiency is effectively improved.
(4) For realizing the fixed of NOL ring, be provided with snap ring and lower snap ring on the base bottom plate, the cavity of both cooperation formation centre gripping NOL rings through setting up corresponding incision on last snap ring and lower snap ring, can make things convenient for the water jet to cut the NOL ring along the incision, and the cutting position is accurate easily controlled, and the cavity is on realizing the fixed basis of NOL ring, more convenient operation has guaranteed the test spline precision of cutting NOL ring, reduces the deviation.
(5) The cavity formed by the upper clamping ring and the lower clamping ring is used for clamping the NOL ring, so that the NOL ring test spline after cutting is not easy to fall into the water tank when cutting is convenient, and the practicality is good.
(6) The positioning plate is used for positioning the base bottom plate, so that the origin point of the water jet is located at the included angle position of the positioning plate, and the cutting precision is further improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a top view of the lower snap ring of the present utility model.
Fig. 3 is a top view of the upper snap ring of the present utility model.
Fig. 4 is a cross-sectional view of the upper snap ring of the present utility model.
The device comprises a base bottom plate 1, a lower clamping ring 2, an upper clamping ring 3, a groove body 4, a cavity 5, a notch 6, an arc-shaped protrusion 7, a base 8, a cutting groove 9, a positioning plate 10, a cutting origin 11, a positioning bolt 12, a positioning pin 13 and a handle 14.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
Example 1:
the embodiment relates to a matching device for water jet cutting NOL ring test sample bars.
The embodiment relates to a water jet cutting matching device for NOL ring test sample strips, in particular to matching equipment for cutting NOL ring test sample strips by adopting a water jet cutting method.
As shown in fig. 1, the supporting device mainly comprises a base bottom plate 1, a lower clamping ring 2, an upper clamping ring 3 and a positioning plate 10. The lower snap ring 2 is in a plate-shaped structure as shown in the structure of fig. 2, a plurality of arc-shaped bulges 7 are arranged on the lower snap ring 2, the arc-shaped bulges 7 are enclosed to form a circular groove body 4, gaps between every two adjacent arc-shaped bulges 7 are notches 6 matched with water jet, and cutting grooves 9 are also formed in the lower snap ring 2 below the notches 6 for facilitating water jet cutting. The upper clamping ring 3 is in a disc structure as shown in the structures of fig. 3 and 4, a handle 14 is arranged at the top of the disc structure, a base 8 is arranged at the bottom of the disc structure, and a notch 6 matched with water jet is arranged on the outer circumference of the disc structure.
When in use, the lower clamping ring 2 and the upper clamping ring 3 are fixed on the base bottom plate 1 as shown in fig. 1, and the installation process is as follows:
four sides of the lower clamping ring 2 are fixed on the base bottom plate 1 through four positioning bolts 12, then the upper clamping ring 3 is placed into the groove body 4, and the upper clamping ring 3 is fixed by using two positioning pins 13, wherein the circumferential area of the upper clamping ring 3 is smaller than that of the groove body 4, and when the upper clamping ring 3 is fixed in the groove body 4, the base 8 of the upper clamping ring 3 and the arc-shaped protrusions 7 can be matched to form a cavity 5 for clamping the NOL ring. When in use, the NOL ring is placed in the cavity 5, so that the water jet is convenient for cutting the NOL ring, and the notch 6 on the lower clamping ring 2 is arranged in one-to-one correspondence with the notch 6 on the upper clamping ring 3.
As shown in fig. 1, the notches 6 are uniformly distributed on the upper snap ring 3 and the lower snap ring 2, the width of the notches 6 is controlled to be 2-4 mm, any value within the range can be selected, the preferred width is 3mm, the included angle of each adjacent notch 6 on the same ring body is 14-20 degrees, any angle within the range can be selected, and the preferred angle is 16.24 degrees. In order to ensure the accuracy of NOL water jet cutting, besides the design of the notch 6, a positioning plate 10 is also adopted to correct and position the base bottom plate 1. As shown in fig. 1, the positioning plate 10 has an L-shaped structure, such as a right-angle back plate, two adjacent sides of the base plate 1 are abutted against two right-angle sides of the positioning plate 10, and an included angle between the two right-angle sides is a cutting origin 11 of the water jet.
Example 2:
the present embodiment relates to a method of water jet cutting NOL ring test bars. With the kit of example 1, the cutting procedure was as follows:
s1: the positioning plate 10 is placed in a cutting water tank, and the two adjacent side edges on the base bottom plate 1 are designed with angles, so that the positions of the angles are closely placed at the cutting origin 11 of the positioning plate 10, and the two side edges of the base bottom plate 1, which are designed with angles, are closely contacted with the two right-angle edges of the positioning plate 10.
S2: the NOL ring to be cut is placed in the groove body 4, the handle 14 is held by hand, the upper clamping ring 3 is placed in the groove body 4, the NOL ring is clamped in the cavity 5 formed by the groove body 4 and the upper clamping ring 3, and the upper clamping ring 3 is positioned and assembled in the groove body 4 through the positioning pin 13.
S3: starting the water jet cutting equipment, starting to cut NOL ring test sample strips according to a designed cutting program, closing the water jet cutting device after cutting is finished, and taking down the substrate base 8 by using the handle 14 on the upper clamping ring 3, so that the cut test sample strips placed in the cavity 5 can be taken out.
If other NOL ring test sample strips need to be cut, the NOL ring to be cut is clamped into a cavity 5 formed by the groove body 4 and the upper clamping ring 3, the handle 14 is held by hand to position and assemble the upper clamping ring 3 in the groove body 4 through the positioning pin 13, finally, the water jet cutting equipment is started, and the NOL ring test sample strips begin to be cut according to a designed cutting program. Repeating the above process can realize batch cutting of NOL ring test bars.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.
Claims (9)
1. A method for water jet cutting of non-circular test bars, characterized by: the method comprises the following steps:
A. an L-shaped positioning plate (10) is placed in a cutting water tank of the water jet cutting machine, and the included angle between two right-angle sides of the positioning plate (10) is a cutting origin (11) of water jet;
B. two adjacent right-angle edges of the base bottom plate (1) are abutted against two right-angle edges of the positioning plate (10), a lower clamping ring (2) and an upper clamping ring (3) are arranged on the base bottom plate (1), a groove body (4) is arranged on the lower clamping ring (2), the upper clamping ring (3) is fixed in the groove body (4) and is matched with the groove body (4) to form a cavity (5) for clamping a NOL ring, and a plurality of notches (6) matched with water jet are formed in the upper clamping ring (3) and the lower clamping ring (2) of the corresponding cavity (5);
C. starting the water jet cutting machine, and cutting the NOL ring clamped in the cavity (5) along the notch (6) by water jet.
2. A method of water jet cutting a NOL ring test spline in accordance with claim 1 wherein: in the step B, the notches (6) are uniformly distributed on the upper clamping ring (3) and the lower clamping ring (2), and the included angle of each adjacent notch (6) on the same ring body is 14-20 degrees.
3. A method of water jet cutting a NOL ring test spline in accordance with claim 1 wherein: in the step B, the width of the notch (6) is 2-4 mm.
4. The utility model provides a supporting equipment of water jet cutting NOL ring test spline which characterized in that: the water jet cutting device comprises a positioning plate (10) and a base bottom plate (1), wherein the positioning plate (10) is of an L-shaped structure and is placed in a cutting water tank, and an included angle between two right-angle sides of the positioning plate (10) is a cutting origin (11) of water jet; two adjacent right-angle sides of the base bottom plate (1) are abutted against two right-angle sides of the positioning plate (10), a lower clamping ring (2) and an upper clamping ring (3) are arranged on the base bottom plate (1), a groove body (4) is arranged on the lower clamping ring (2), the upper clamping ring (3) is fixed in the groove body (4) and is matched with the groove body (4) to form a cavity (5) for clamping the NOL ring, and a plurality of notches (6) matched with water jet are formed in the upper clamping ring (3) and the lower clamping ring (2) of the corresponding cavity (5).
5. The water jet cutting NOL ring test spline kit as recited in claim 4, wherein: the groove body (4) is circular, a plurality of arc-shaped bulges (7) are arranged on the lower clamping ring (2), the arc-shaped bulges (7) are enclosed to form the groove body (4), and gaps between every two adjacent arc-shaped bulges (7) are notches (6); the upper clamping ring (3) is of a disc structure arranged in the groove body (4), the bottom of the upper clamping ring is provided with a base (8), the base (8) and the arc-shaped protrusions (7) form a cavity (5) for clamping the NOL ring, the outer circumference of the base is provided with notches (6), and the notches (6) on the upper clamping ring (3) are in one-to-one correspondence with the notches (6) on the lower clamping ring (2).
6. The water jet cutting NOL ring test spline kit as recited in claim 4, wherein: and a cutting groove (9) is formed in the lower clamping ring (2), and the cutting groove (9) is correspondingly arranged below the upper notch (6) of the lower clamping ring (2).
7. The water jet cutting NOL ring test spline kit as recited in claim 4, wherein: the lower clamping ring (2) is fixed on the base bottom plate (1) through a positioning bolt (12).
8. The water jet cutting NOL ring test spline kit as recited in claim 4, wherein: the upper clamping ring (3) is fixed in the annular groove body (4) of the lower clamping ring (2) through a locating pin (13).
9. The water jet cutting NOL ring test spline kit as recited in claim 4, wherein: a handle (14) is arranged on the upper clamping ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124431.9A CN114800696B (en) | 2021-01-29 | 2021-01-29 | Method for cutting NOL ring test sample strip by water jet and matched equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110124431.9A CN114800696B (en) | 2021-01-29 | 2021-01-29 | Method for cutting NOL ring test sample strip by water jet and matched equipment |
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| Publication Number | Publication Date |
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| CN114800696A CN114800696A (en) | 2022-07-29 |
| CN114800696B true CN114800696B (en) | 2024-03-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196356A (en) * | 2015-09-14 | 2015-12-30 | 苏州天裁纺织工艺品有限公司 | Resistance wire type automatic sponge cutting mechanism |
| CN205870659U (en) * | 2016-06-28 | 2017-01-11 | 威海威高血液净化制品有限公司 | A membrane bundle anchor clamps that is used for bi -polar facial mask to restraint cutting machine |
| CN209175910U (en) * | 2018-12-13 | 2019-07-30 | 南京冠佳科技有限公司 | A kind of die-cutting machine material pressing device |
| CN110978138A (en) * | 2019-12-30 | 2020-04-10 | 安徽傲宇数控科技有限公司 | Cantilever type water cutting structure |
| CN211842246U (en) * | 2019-12-18 | 2020-11-03 | 鹏达精密包装材料（上海）有限公司 | Three-dimensional numerical control cutting fixture for thermal forming plastic products |
-
2021
- 2021-01-29 CN CN202110124431.9A patent/CN114800696B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196356A (en) * | 2015-09-14 | 2015-12-30 | 苏州天裁纺织工艺品有限公司 | Resistance wire type automatic sponge cutting mechanism |
| CN205870659U (en) * | 2016-06-28 | 2017-01-11 | 威海威高血液净化制品有限公司 | A membrane bundle anchor clamps that is used for bi -polar facial mask to restraint cutting machine |
| CN209175910U (en) * | 2018-12-13 | 2019-07-30 | 南京冠佳科技有限公司 | A kind of die-cutting machine material pressing device |
| CN211842246U (en) * | 2019-12-18 | 2020-11-03 | 鹏达精密包装材料（上海）有限公司 | Three-dimensional numerical control cutting fixture for thermal forming plastic products |
| CN110978138A (en) * | 2019-12-30 | 2020-04-10 | 安徽傲宇数控科技有限公司 | Cantilever type water cutting structure |
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| CN114800696A (en) | 2022-07-29 |
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