CN220188174U - Die structure for preparing steel wire shearing spline - Google Patents
Die structure for preparing steel wire shearing spline Download PDFInfo
- Publication number
- CN220188174U CN220188174U CN202320199007.5U CN202320199007U CN220188174U CN 220188174 U CN220188174 U CN 220188174U CN 202320199007 U CN202320199007 U CN 202320199007U CN 220188174 U CN220188174 U CN 220188174U
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- China
- Prior art keywords
- steel wire
- groove
- hot melt
- melt adhesive
- grooves
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 72
- 239000010959 steel Substances 0.000 title claims abstract description 72
- 238000010008 shearing Methods 0.000 title abstract description 15
- 239000004831 Hot glue Substances 0.000 claims abstract description 44
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000002474 experimental method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 description 17
- 239000011347 resin Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Wire Processing (AREA)
Abstract
The utility model relates to a die structure for preparing steel wire shearing spline bars, which comprises a top plate, a fixed die plate and a bottom plate which are sequentially arranged from top to bottom, wherein a plurality of forming grooves for forming spline bars are arranged on the fixed die plate at intervals, the forming grooves are arranged at intervals along the length direction of the fixed die plate, each forming groove comprises a steel wire groove and two hot melt adhesive grooves, the two hot melt adhesive grooves are arranged at intervals along the width direction of the fixed die plate, and the steel wire grooves are arranged along the width direction of the fixed die plate and are communicated with the two hot melt adhesive grooves. The utility model has the advantages that according to the specific sample structure for testing the shearing strength of the steel wire and the hot melt adhesive, a mold structure is specifically designed, and a plurality of sample strips can be manufactured simultaneously through a plurality of forming grooves which are arranged on the fixed mold plate at intervals, so that the effect of comparison experiments and parallel experiments is facilitated.
Description
Technical Field
The utility model relates to the field of shear performance test of bonding resin steel wires, in particular to a die structure for preparing steel wire shear splines.
Background
The steel wire shearing performance of the bonding resin is an important technical index for representing the production and application process of the bonding resin in the steel wire mesh reinforced polyethylene composite pipe, is mainly used for measuring the bonding performance between the bonding resin and the steel wires and the structural stability of the steel wire mesh reinforced polyethylene composite pipe, has important significance for the long service life of a steel wire mesh pipe, and has definite regulation on the steel wire shearing performance of the bonding resin in the national standard GB/T32439-2015. Compared with metal plates, such as steel plates, aluminum plates and the like, the bonding test piece is easy to prepare and used for testing the bonding performance, the preparation of bonding structural members of steel wires and bonding resin is difficult, and a die with a specific structure is required to be designed for preparing the test piece.
It is therefore necessary to design a mold structure for preparing wire-cut splines to solve the above technical problems.
Disclosure of Invention
In order to design a die structure for preparing a steel wire shear spline, the utility model provides a die structure for preparing a steel wire shear spline.
The utility model provides a die structure for preparing steel wire shearing spline, which adopts the following technical scheme:
the utility model provides a mould structure for preparing steel wire shearing spline, includes roof, fixed die plate and the bottom plate that top-down set gradually, the interval is equipped with a plurality of shaping grooves that are used for forming the spline on the fixed die plate, a plurality of shaping grooves are followed the length direction interval arrangement of fixed die plate, every shaping groove includes steel wire groove and two hot melt adhesive grooves, two the hot melt adhesive groove is followed the width direction interval arrangement of fixed die plate, steel wire groove is followed the width direction of fixed die plate is seted up and is linked together with two the hot melt adhesive groove.
Through adopting above-mentioned technical scheme, through setting up roof and bottom plate to set up the fixed die plate between roof and bottom plate, can make a plurality of spline simultaneously through a plurality of shaping grooves of interval arrangement on the fixed die plate, in order to carry out contrast experiment and parallel experiment. When the spline is manufactured, the steel wire is placed into the steel wire groove, the hot melt adhesive is placed into the two hot melt adhesive grooves, the hot melt adhesive can be formed into a required shape and attached to the steel wire after hot melt operation and the like, then the top plate and/or the bottom plate are taken down, the spline in the forming groove is taken down, and the redundant hot melt adhesive is removed.
Optionally, the ratio of the distance between two hot melt adhesive grooves to the length of the wire groove is 4-6:8-10, wherein the length of the steel wire groove is 80-100 mm.
Through adopting above-mentioned technical scheme, in order to ensure the validity of test result, need have sufficient area of contact between steel wire and the bonding resin piece, in addition, because steel wire and bonding resin piece can take place relative displacement in the test process, consequently, need the length of steel wire to be greater than the distance between two bonding resin pieces, the ratio of distance between two bonding resin pieces and the length of steel wire is 4-6:8-10, can ensure that the steel wire and the adhesive resin block can still well continue to be tested even if the relative displacement occurs in the testing process, and the waste of the steel wire is less.
Optionally, the hot melt adhesive groove is a substantially cube, and the side length of the hot melt adhesive groove is 9-11 mm.
By adopting the technical scheme, the side length of the bonding resin block is required to be matched with a related testing instrument.
Optionally, the difference between the lengths of the sides of the hot melt adhesive groove is not more than 0.5mm.
Through adopting above-mentioned technical scheme, in order to ensure that the bonding resin piece can be fine fixed, and when the outside applys shearing force, the bonding resin piece receives the shearing force comparatively even, and the difference of the length on each limit of bonding resin piece is unfavorable to be greater than 0.5mm, ensures the accuracy of test result.
Optionally, the width of the steel wire groove is 0.6-1.5 mm, and the depth of the steel wire groove is greater than the width of the steel wire groove and the difference between the two is 0.5-2 mm.
By adopting the technical scheme, the diameter of the steel wire can be selected according to actual test requirements, and the width of the steel wire groove can be slightly larger than that of the steel wire, so that the steel wire can be conveniently taken and put; further, the depth of the wire groove.
Optionally, after the steel wire is placed in the steel wire groove, the distance between the axis of the steel wire and the geometric center of the hot melt adhesive groove is not more than 1mm.
Through adopting above-mentioned technical scheme, when carrying out the test, need two-way effort of exerting in order to form required shearing force, in order to ensure the homogeneity of the shearing force that bonding resin and the steel wire that is located the bonding resin piece inside received, need the steel wire to be located the center department of bonding resin piece to obtain more accurate detection data.
Optionally, the roughness ra=0.1-0.3 μm of the surfaces of the steel wire groove and the hot melt adhesive groove.
By adopting the technical scheme, the hot melt adhesive has good viscosity, and the release agent can be smeared in the forming groove for the convenience of demolding, but the roughness of the hot melt adhesive groove and the steel wire groove is not excessively large for the convenience of taking down the sample strip.
In summary, the present utility model includes at least one of the following beneficial technical effects:
according to a specific sample structure for testing the shearing strength of the steel wire and the hot melt adhesive, a mold structure is specifically designed, and a plurality of sample strips can be manufactured simultaneously through a plurality of forming grooves which are arranged on the fixed mold plate at intervals, so that a control experiment and a parallel experiment can be conveniently carried out.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a schematic structural view of a stationary platen according to an embodiment of the present utility model.
Reference numerals illustrate: 1. a top plate; 2. a stationary mold plate; 3. a hot melt adhesive tank; 4. a wire groove; 5. a bottom plate.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-2.
The embodiment of the utility model discloses a die structure for preparing steel wire shearing splines. Referring to fig. 1 and 2, a mold structure for preparing a steel wire shearing spline comprises a top plate 1, a fixed mold plate 2 and a bottom plate 5 which are sequentially arranged from top to bottom, wherein a plurality of molding grooves for forming the spline are arranged on the fixed mold plate 2 at intervals, the molding grooves are arranged at intervals along the length direction of the fixed mold plate 2, each molding groove comprises a steel wire groove 4 and two hot melt adhesive grooves 3, the two hot melt adhesive grooves 3 are arranged at intervals along the width direction of the fixed mold plate 2, and the steel wire grooves 4 are arranged along the width direction of the fixed mold plate 2 and are communicated with the two hot melt adhesive grooves 3.
The ratio of the distance between the two hot melt adhesive baths 3 to the length of the wire bath 4 is 4-6:8-10, wherein the length of the steel wire groove 4 is 80-100 mm; the hot melt adhesive groove 3 is a substantially cube, the side length of the hot melt adhesive groove 3 is 9-11 mm, and the difference between the lengths of the sides of the hot melt adhesive groove 3 is not more than 0.5mm.
The width of the steel wire groove 4 is 0.6-1.5 mm, the depth of the steel wire groove 4 is larger than the width of the steel wire groove 4, and the difference between the two is 0.5-2 mm; after the steel wire is placed in the steel wire groove 4, the distance between the axis of the steel wire and the geometric center of the hot melt adhesive groove 3 is not more than 1mm. The roughness Ra of the surfaces of the wire groove 4 and the hot melt adhesive groove 3 is 0.1-0.3 mu m.
The specific implementation mode of the utility model is as follows: placing the fixed die plate 2 in the center of the bottom plate 5, placing steel wires into the steel wire groove 4, taking hot melt adhesive particles, adding the hot melt adhesive particles into the hot melt adhesive groove 3, filling the spare parts of the steel wire groove 4 together, continuously paving a layer of hot melt adhesive particles on the hot melt adhesive groove 3 and the steel wire groove 4, covering the top plate 1 on the fixed die plate 2, placing on a flat vulcanizing machine for heating and preheating for 10-20min. After the preheating is finished, the pressing and loosening operations are repeated for a plurality of times by using a flat vulcanizing machine, so that the air in the fixed die plate 2 is discharged. The pressure of the press vulcanizer was set at 15MPa and maintained for 10min. And after the hot pressing is finished, naturally cooling the die to room temperature in air, and taking out the prepared sample strip from the forming groove.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (7)
1. A die structure for preparing steel wire shear splines, characterized in that: including roof (1), fixed die plate (2) and bottom plate (5) that top-down set gradually, the interval is equipped with a plurality of shaping grooves that are used for forming the spline on fixed die plate (2), a plurality of shaping grooves are followed the length direction interval arrangement of fixed die plate (2), every shaping groove includes wire groove (4) and two hot melt adhesive groove (3), two hot melt adhesive groove (3) are followed the width direction interval arrangement of fixed die plate (2), wire groove (4) are followed the width direction of fixed die plate (2) is seted up and is linked together with two hot melt adhesive groove (3).
2. A die structure for preparing wire-cut spline as claimed in claim 1, wherein: the ratio of the distance between the two hot melt adhesive grooves (3) to the length of the steel wire groove (4) is 4-6:8-10, wherein the length of the steel wire groove (4) is 80-100 mm.
3. A die structure for preparing wire-cut spline as claimed in claim 1, wherein: the hot melt adhesive groove (3) is approximately cubic, and the side length of the hot melt adhesive groove (3) is 9-11 mm.
4. A die structure for preparing wire-cut spline as claimed in claim 1, wherein: the difference of the lengths of the sides of the hot melt adhesive groove (3) is not more than 0.5mm.
5. A die structure for preparing wire-cut spline as claimed in claim 1, wherein: the width of the steel wire groove (4) is 0.6-1.5 mm, and the depth of the steel wire groove (4) is greater than the width of the steel wire groove (4) and the difference between the two is 0.5-2 mm.
6. A die structure for preparing wire-cut spline as claimed in claim 1, wherein: after the steel wire is put into the steel wire groove (4), the distance between the axis of the steel wire and the geometric center of the hot melt adhesive groove (3) is not more than 1mm.
7. A die structure for preparing wire-cut spline as claimed in claim 1, wherein: the roughness Ra of the surfaces of the steel wire groove (4) and the hot melt adhesive groove (3) is=0.1-0.3 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320199007.5U CN220188174U (en) | 2023-02-13 | 2023-02-13 | Die structure for preparing steel wire shearing spline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320199007.5U CN220188174U (en) | 2023-02-13 | 2023-02-13 | Die structure for preparing steel wire shearing spline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188174U true CN220188174U (en) | 2023-12-15 |
Family
ID=89105303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320199007.5U Active CN220188174U (en) | 2023-02-13 | 2023-02-13 | Die structure for preparing steel wire shearing spline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188174U (en) |
-
2023
- 2023-02-13 CN CN202320199007.5U patent/CN220188174U/en active Active
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