CN219694695U - Vulcanizing mold for measuring steel cord - Google Patents
Vulcanizing mold for measuring steel cord Download PDFInfo
- Publication number
- CN219694695U CN219694695U CN202321168331.7U CN202321168331U CN219694695U CN 219694695 U CN219694695 U CN 219694695U CN 202321168331 U CN202321168331 U CN 202321168331U CN 219694695 U CN219694695 U CN 219694695U
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- China
- Prior art keywords
- steel cord
- bottom plate
- guide
- sample
- tensioning
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 238000004073 vulcanization Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 238000004513 sizing Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model discloses a vulcanization mold for measuring a steel cord, and belongs to the field of vulcanization equipment. The problems of large difference between performance evaluation and actual product performance evaluation in the prior art, complex operation and waste of manpower and resources are solved. In the utility model, a plurality of sample grooves are constructed on the upper surface of a bottom plate; the two tensioning rods are respectively positioned at the two ends of the bottom plate; two ends of the tensioning rod are respectively fixed with a guide rod which is parallel to the length extension direction of the sample groove; the guide seats are respectively arranged on the two sides of the bottom plate, and the guide rods are in sliding fit with the guide seats and push the tensioning rods to be close to or far away from the end parts of the bottom plate. The vulcanizing mold for measuring the steel cord is simple to operate, improves the efficiency, and is closer to the performance evaluation of actual products.
Description
Technical Field
The utility model relates to a vulcanization mold for measuring a steel cord, and belongs to the field of vulcanization equipment.
Background
The good and bad adhesion performance of the steel cord and the rubber plays a vital role in the product quality of the radial tire.
The vulcanizing mold for measuring the bonding property of the steel cord is mainly a vulcanizing mold given in GB/T33159-2016 steel cord test method, the rubber burying depth of the vulcanizing mold is two of 12.5mm and 25mm, the thickness of the vulcanizing mold is 12.5mm, 15 steel cords are buried in rubber, the wire spacing of the steel cords is 12.5mm, and a vulcanized sample is used for measuring the force of drawing out a single steel cord from the buried rubber along the axial direction. When the die is used, 15 steel cords need to be fused, the time consumption is long, tension cannot be applied to the steel cords during vulcanization, and the steel cords cannot be guaranteed not to be bent in the vulcanization process. The distance between the steel cords of the die and the steel cords is long, the glue embedding depth is short, the arrangement difference between the steel cords and the steel cords of the belt ply of the finished tire is large, and the performance evaluation difference between the steel cords and the actual product performance evaluation is large.
In view of the steel cords of the belt layer, the adhesion performance of the steel cords can be obtained by cutting the semi-finished belt layer from the production plant and vulcanizing the semi-finished belt layer by using the corresponding peeling vulcanization mold, but the vulcanization sample needs to be subjected to retreatment such as cutting, and the like, and the evaluation cannot be performed from the raw material end of the skeleton, thereby wasting manpower and resources.
Disclosure of Invention
The utility model provides a vulcanizing mold for measuring a steel cord, which is simple to operate, improves efficiency and is closer to performance evaluation of actual products.
The technical proposal adopted by the utility model is that the vulcanizing mold for measuring the steel cord comprises
The upper surface of the bottom plate is provided with a plurality of sample grooves;
the upper cover plate covers the upper surface of the bottom plate and covers all the sample grooves;
the two tensioning rods are respectively positioned at two ends of the bottom plate;
the two ends of the tensioning rod are respectively fixed with a guide rod, and the guide rods are arranged parallel to the length extension direction of the sample groove;
the guide seats are respectively arranged on two sides of the bottom plate, and the guide rods are in sliding fit with the guide seats and push the tensioning rods to be close to or far away from the end parts of the bottom plate.
Optimally, the vulcanizing mold for measuring the steel cord is characterized in that the two sides of the end part of the bottom plate are respectively provided with the jackscrew seat, the jackscrew seat is connected with the jackscrews, the jackscrews penetrate through the jackscrew seat and are in threaded connection with the jackscrew seat, and the end part of the jackscrews is in contact with the end part of the guide rod.
Optimally, the vulcanizing mold for measuring the steel cord is characterized in that two guide seats are respectively arranged on two sides of the end part of the upper cover plate.
Optimally, the vulcanizing mold for measuring the steel cord is provided with horizontal grooves at two ends of the sample groove.
Optimally, the vulcanizing mold for measuring the steel cord is provided with the annular groove which is matched with the end part of the sample groove.
Preferably, the vulcanizing mold for measuring the steel cord is provided with the compression screw groups respectively on two sides of each annular groove, wherein each compression screw group comprises two compression screws and the two compression screws are respectively positioned on the upper part and the lower part of the tensioning rod.
Optimally, the vulcanizing mold for measuring the steel cord is formed by welding the nut and the bottom enlarged gasket.
Preferably, the vulcanizing mold for steel cord measurement is arranged in a way that the tensioning rod is lower than the upper surface of the bottom plate.
The utility model has the advantages that:
the structure is integrated, only one steel cord is required to be wound and fixed through the tensioning rod and the compression screw, one sample can be vulcanized, and the operation is simple and the efficiency is improved.
Through setting up guide bar and jackscrew, with the fixed back of accomplishing of steel cord winding, utilize the elasticity control guide bar's of jackscrew removal, can apply even continuous tension to the steel cord, guarantee that the steel cord does not take place to buckle in the vulcanization process.
The continuous tension component is pressed and fixed through the die, the die is allowed to be designed in a high-density small-size mode according to the arrangement and the size of the belt layers of the finished tire, the steel cord is directly embedded into rubber for vulcanization, and a 180-degree adhesive performance evaluation mode is adopted, so that the performance evaluation of the tire is closer to that of an actual product.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the base plate of the present utility model;
FIG. 3 is a side view of the base plate of the present utility model;
FIG. 4 is a schematic view of the structure of the tension rod and guide rod of the present utility model;
in the figure, 1 is a bottom plate, 2 is a tensioning rod, 3 is a compression screw, 4 is a guide seat, 5 is a jackscrew seat, 6 is a jackscrew, 7 is an upper cover plate, 8 is a sample groove, 9 is a horizontal groove, 10 is a guide rod, and 11 is an annular groove.
Detailed Description
The technical features of the present utility model are further described below with reference to the accompanying drawings and the specific embodiments.
As shown in fig. 1 to 4, the utility model is a vulcanizing mold for steel cord measurement, comprising a bottom plate 1, a tensioning rod 2, a compression screw 3, a guide seat 4, a jackscrew seat 5, jackscrews 6, an upper cover plate 7, a sample groove 8, a horizontal groove group 9, a guide rod 10 and an annular groove 11.
The upper surface of the bottom plate 1 is provided with a plurality of sample grooves 8, in this embodiment, three sample grooves 8 are arranged in parallel at intervals, and the three sample grooves 8 are all in a strip shape. The upper cover plate 7 covers the upper surface of the bottom plate 1 and covers all the sample grooves 8, and after the upper cover plate 7 covers the three sample grooves 8, the three sample grooves 8 are sealed to form a vulcanization cavity. As shown in fig. 2 and 3, the sample cell 8 is respectively constructed with horizontal grooves 9 at both ends thereof.
In this embodiment, as shown in fig. 1, the number of the tension rods 2 is two, and the two tension rods 2 are respectively located at both ends of the base plate 1. The two ends of the tensioning rod 2 are respectively fixed with a guide rod 10, the tensioning rod 2 and the guide rods 10 at the two ends form a U-shaped structure, and the guide rods 10 are arranged parallel to the length extending direction of the sample groove 8.
As shown in fig. 2, two guide holders 4 are respectively provided on both sides of the end of the base plate 1, that is, eight guide holders 4 are provided on both sides of the base plate 1. The middle part of the guide seat 4 is provided with a through hole, the peripheral line of the through hole is parallel to the length extending direction of the sample groove 8, and the guide rod 10 is inserted into the through hole of the guide seat 4 and is in sliding fit with the guide seat 4. The guide bar 10 pushes the tension bar 2 toward or away from the end of the base plate 1 when slid.
The two sides of the end part of the bottom plate 1 are respectively provided with a jackscrew seat 5, the jackscrew seat 5 is connected with jackscrews 6, the middle part of the jackscrew seat 5 is provided with a through hole with internal threads, the jackscrews 6 penetrate through the through hole in the middle part of the jackscrew seat 5 and are in threaded connection with the jackscrew seat 5, and the end part of the jackscrews 6 is in contact with the end part of the guide rod 10.
In this embodiment, as shown in fig. 4, three continuous annular grooves 11 are formed on the tensioning rod 2, the number of the continuous annular grooves is the same as that of the sample grooves 8, the continuous annular grooves are in one-to-one correspondence with the horizontal grooves 9, two pressing screws 3 which are vertically corresponding to each other are arranged beside each annular groove 11, the vertical positions and the correspondence can be set according to actual conditions, the pressing screws 3 are formed by welding nut caps and gaskets with enlarged bottoms, the contact area can be increased, and the steel cord is ensured to be completely pressed.
The tensioning rod 2 is lower than the upper surface of the lower-layer bottom plate 1, so that the steel cord can be completely clamped into the horizontal groove 9.
The technical proposal of the utility model has the following operation process
When in use, the utility model is characterized in that:
1. and cutting the prepared sizing material with a certain thickness and the polyester carcass layer into samples with the size of the sample groove 8, wherein the polyester carcass layer is used as a reinforcing layer and is bonded with the sizing material, and the surface, which is not bonded with the sizing material, is required to be covered with a polyethylene film to prevent pollution.
2. Taking a sample groove 8 steel cord laying as an example, winding a steel cord end on a compression screw 3 above one side tensioning rod 2, screwing up the compression screw 3, then laying the steel cord in the sample groove 8 along a horizontal groove 9 until the other side tensioning rod 2, winding the steel cord on the tensioning rod 2, laying the steel cord along the horizontal groove 9 beside the tensioning rod 2, repeating winding and laying until the whole sample groove 8 is laid, fusing the steel cord, and winding one fused end on the compression screw 3 below the other side tensioning rod 2.
3. The four jackscrews 6 are uniformly rotated to push the tensioning rod 2 to move in a direction away from the bottom plate 1 until the steel cord is under certain tension, and the fixing nuts of the jackscrews 6 are screwed. And preheating the die wrapped with the steel cord.
4. Taking out the preheated mould, covering one end of the surface of the steel cord with glass paper with a certain length, tearing off the polyethylene film covered on one side of the sizing material, putting the bonding layer of the sizing material and the polyester carcass layer into a mould sample groove 8, and compacting the sizing material with one side facing downwards.
5. And (5) covering the upper cover plate 7, and rapidly putting into a vulcanizing machine for vulcanizing.
6. After the vulcanization is completed, the jackscrews 6 are loosened, the guide rods 10 are unscrewed from the tensioning rods 2, and the two tensioning rods 2 are taken out, so that the vulcanization sample can be taken out. And hanging the steel cord coated with one end of the glass paper on an upper clamp of the tensile machine, and clamping the attaching layer between clamping pieces of a lower clamp of the tensile machine to measure the 180-degree adhesive property.
It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that various changes, modifications, additions and substitutions can be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (8)
1. A vulcanization mold for steel cord measurement includes
A bottom plate (1), wherein a plurality of sample grooves (8) are formed on the upper surface of the bottom plate (1);
an upper cover plate (7) which covers the upper surface of the bottom plate (1) and covers all the sample grooves (8);
the method is characterized in that: and also comprises
The two tensioning rods (2) are respectively positioned at two ends of the bottom plate (1);
the two ends of the tensioning rod (2) are respectively fixed with a guide rod (10), and the guide rods (10) are arranged parallel to the length extending direction of the sample groove (8);
the two sides of the bottom plate are respectively provided with a guide seat (4), and the guide rod (10) is in sliding fit with the guide seat (4) and pushes the tensioning rod (2) to be close to or far away from the end part of the bottom plate (1).
2. A vulcanisation mould for steel cord measurements according to claim 1, characterized in that: the two sides of the end part of the bottom plate (1) are respectively provided with a jackscrew seat (5), the jackscrew seats (5) are connected with jackscrews (6), the jackscrews (6) penetrate through the jackscrew seats (5) and are in threaded connection with the jackscrew seats (5), and the end parts of the jackscrews (6) are in contact with the end parts of the guide rods (10).
3. A vulcanisation mould for steel cord measurements according to claim 1, characterized in that: two guide seats (4) are respectively arranged on two sides of the end part of the upper cover plate (7).
4. A vulcanisation mould for steel cord measurements according to claim 1, characterized in that: horizontal grooves (9) are respectively formed in two ends of the sample groove (8).
5. A vulcanisation mould for steel cord measurements according to claim 1, characterized in that: an annular groove (11) is formed in the tensioning rod (2), and the annular groove (11) is matched with the end part of the sample groove (8).
6. A vulcanisation mould for steel cord measurements according to claim 5, characterized in that: the two sides of each annular groove (11) are respectively provided with a compression screw group, each compression screw group comprises two compression screws (3), and the two compression screws (3) are respectively positioned at the upper part and the lower part of the tensioning rod (2).
7. The vulcanization mold for steel cord measurement as set forth in claim 6, wherein: the compression screw (3) is formed by welding a nut and a gasket with an enlarged bottom.
8. A vulcanisation mould for steel cord measurements according to claim 1, characterized in that: the tensioning rod (2) is lower than the upper surface of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321168331.7U CN219694695U (en) | 2023-05-15 | 2023-05-15 | Vulcanizing mold for measuring steel cord |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321168331.7U CN219694695U (en) | 2023-05-15 | 2023-05-15 | Vulcanizing mold for measuring steel cord |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219694695U true CN219694695U (en) | 2023-09-15 |
Family
ID=87969542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321168331.7U Active CN219694695U (en) | 2023-05-15 | 2023-05-15 | Vulcanizing mold for measuring steel cord |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219694695U (en) |
-
2023
- 2023-05-15 CN CN202321168331.7U patent/CN219694695U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |